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Original dark-fantasy cooperative game key art with dramatic realism: a symmetrical wide shot of four spectral knights forming a small arc in a shattered moonlit valley, resolutely confronting a colossal floating obsidian citadel centered above them, with rivers suspended through the air. Obsidian black, silver, and crimson palette; cold moonlight pierced by the glow of red fissures; ominous, resolute atmosphere, strong silhouettes, monumental scale, controlled visual noise, no text, watermark, logo, border, UI, or interface elements.

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